Consistent naming for internal storage APIs.

Also completely remove a few confusingly named deprecated APIs.

Change-Id: Ia7e4ea3190a97f0a7dfa9bebf2118da0866ec38f
diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index c79dae5..9082482 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -1038,10 +1038,10 @@
         }
 
         deviceEncryptedDataDir = Environment
-                .getDataUserDeviceEncryptedPackageDirectory(volumeUuid, userId, packageName)
+                .getDataUserDePackageDirectory(volumeUuid, userId, packageName)
                 .getAbsolutePath();
         credentialEncryptedDataDir = Environment
-                .getDataUserCredentialEncryptedPackageDirectory(volumeUuid, userId, packageName)
+                .getDataUserCePackageDirectory(volumeUuid, userId, packageName)
                 .getAbsolutePath();
 
         if ((privateFlags & PRIVATE_FLAG_FORCE_DEVICE_ENCRYPTED) != 0